| 1 | ;;;; Use the Aether system in a localy installed Maven3 distribution to download |
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| 2 | ;;;; and install JVM artifact dependencies. |
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| 3 | |
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| 4 | #| |
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| 5 | |
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| 6 | # Implementation |
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| 7 | |
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| 8 | Not necessarily multi-threaded safe, and unclear how much work that |
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| 9 | would be, as it is unknown how the Maven implementation behaves. |
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| 10 | |
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| 11 | ## Installing Maven |
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| 12 | http://maven.apache.org/download.html |
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| 13 | |
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| 14 | ## Current Javadoc for Maven Aether connector |
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| 15 | http://sonatype.github.com/sonatype-aether/apidocs/overview-summary.html |
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| 16 | |
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| 17 | ## Incomplete, seemingly often wrong |
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| 18 | https://docs.sonatype.org/display/AETHER/Home |
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| 19 | |
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| 20 | Note that this is not an implementation of Maven per se, but the use |
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| 21 | of the Maven Aether connector infrastructure. Among other things, this means |
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| 22 | that the Maven specific "~/.m2/settings.xml" file is NOT parsed for settings. |
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| 23 | |
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| 24 | |# |
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| 25 | |
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| 26 | ;;; N.b. evaluated *after* we load the ABCL specific modifications of |
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| 27 | ;;; ASDF in abcl-asdf.lisp |
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| 28 | |
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| 29 | (in-package :abcl-asdf) |
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| 30 | |
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| 31 | (require :abcl-contrib) |
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| 32 | (require :jss) |
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| 33 | |
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| 34 | #| |
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| 35 | Test: |
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| 36 | (resolve-dependencies "org.slf4j" "slf4j-api" "1.6.1") |
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| 37 | |
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| 38 | (resolve-dependencies "org.apache.maven" "maven-aether-provider" "3.0.4") |
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| 39 | |# |
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| 40 | |
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| 41 | (defparameter *maven-verbose* t |
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| 42 | "Stream to send output from the Maven Aether subsystem to, or NIL to muffle output") |
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| 43 | |
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| 44 | (defparameter *mavens* |
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| 45 | (if (find :windows *features*) |
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| 46 | '("mvn.bat" "mvn3.bat") |
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| 47 | '("/opt/local/bin/mvn3" "mvn3" "mvn")) |
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| 48 | "Locations to search for the Maven executable.") |
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| 49 | |
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| 50 | (defun find-mvn () |
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| 51 | "Attempt to find a suitable Maven ('mvn') executable on the hosting operating system. |
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| 52 | |
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| 53 | Returns the path of the Maven executable or nil if none are found. |
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| 54 | |
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| 55 | Returns the version of Maven found as the second value. |
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| 56 | |
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| 57 | Emits warnings if not able to find a suitable executable." |
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| 58 | |
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| 59 | (let ((m2-home (ext:getenv "M2_HOME")) |
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| 60 | (m2 (ext:getenv "M2")) |
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| 61 | (mvn-executable (if (find :unix *features*) |
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| 62 | "mvn" |
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| 63 | "mvn.bat"))) |
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| 64 | (when (and m2-home (probe-file m2-home)) |
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| 65 | (let* ((m2-home (truename m2-home)) |
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| 66 | (mvn-path (merge-pathnames |
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| 67 | (format nil "bin/~A" mvn-executable) |
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| 68 | m2-home)) |
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| 69 | (mvn (truename mvn-path))) |
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| 70 | (if mvn |
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| 71 | (values (return-from find-mvn mvn) |
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| 72 | (ensure-mvn-version)) |
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| 73 | (warn "M2_HOME was set to '~A' in the process environment but '~A' doesn't exist." |
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| 74 | m2-home mvn-path)))) |
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| 75 | (when (and m2 (probe-file m2)) |
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| 76 | (let* ((m2 (truename m2)) |
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| 77 | (mvn-path (merge-pathnames mvn-executable m2)) |
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| 78 | (mvn (truename mvn-path))) |
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| 79 | (if mvn |
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| 80 | (values (return-from find-mvn mvn) |
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| 81 | (ensure-mvn-version)) |
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| 82 | (warn "M2 was set to '~A' in the process environment but '~A' doesn't exist." |
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| 83 | m2 mvn-path)))) |
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| 84 | (let* ((which-cmd |
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| 85 | (if (find :unix *features*) |
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| 86 | "which" |
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| 87 | ;; Starting with Windows Server 2003 |
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| 88 | "where.exe")) |
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| 89 | (which-cmd-p |
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| 90 | (handler-case |
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| 91 | (sys::run-program which-cmd nil) |
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| 92 | (t () nil)))) |
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| 93 | (when which-cmd-p |
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| 94 | (dolist (mvn-path *mavens*) |
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| 95 | (let ((mvn |
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| 96 | (handler-case |
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| 97 | (truename (read-line (sys::process-output |
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| 98 | (sys::run-program |
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| 99 | which-cmd `(,mvn-path))))) |
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| 100 | (end-of-file () nil) |
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| 101 | (t (e) |
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| 102 | (format *maven-verbose* |
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| 103 | "~&Failed to find Maven executable '~A' in PATH because~&~A" |
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| 104 | mvn-path e))))) |
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| 105 | (when mvn |
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| 106 | (return-from find-mvn mvn))))))) |
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| 107 | (warn "Unable to locate Maven executable to find Maven Aether adaptors.")) |
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| 108 | |
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| 109 | (defun find-mvn-libs () |
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| 110 | (let ((mvn (find-mvn))) |
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| 111 | (unless mvn |
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| 112 | (warn "Failed to find Maven3 libraries.") |
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| 113 | (return-from find-mvn-libs nil)) |
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| 114 | (truename (make-pathname |
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| 115 | :defaults (merge-pathnames "../lib/" mvn) |
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| 116 | :name nil :type nil)))) |
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| 117 | |
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| 118 | (defparameter *mvn-libs-directory* |
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| 119 | nil |
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| 120 | "Location of 'maven-core-3.<m>.<p>.jar', 'maven-embedder-3.<m>.<p>.jar' etc.") |
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| 121 | |
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| 122 | (defun mvn-version () |
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| 123 | "Return the Maven version used by the Aether connector." |
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| 124 | (let ((stream (sys::process-output |
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| 125 | (sys::run-program (truename (find-mvn)) '("-version")))) |
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| 126 | (pattern (#"compile" |
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| 127 | 'regex.Pattern |
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| 128 | "Apache Maven ([0-9]+)\\.([0-9]+)\\.([0-9]+)"))) |
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| 129 | (do ((line (read-line stream nil :eof) |
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| 130 | (read-line stream nil :eof))) |
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| 131 | ((or (not line) (eq line :eof)) nil) |
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| 132 | (let ((matcher (#"matcher" pattern line))) |
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| 133 | (when (#"find" matcher) |
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| 134 | (return-from mvn-version |
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| 135 | (handler-case |
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| 136 | (mapcar #'parse-integer |
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| 137 | `(,(#"group" matcher 1) |
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| 138 | ,(#"group" matcher 2) |
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| 139 | ,(#"group" matcher 3))) |
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| 140 | (t (e) |
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| 141 | (error "Failed to parse Maven version from ~A because~&~A." line e))))))))) |
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| 142 | |
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| 143 | (defun ensure-mvn-version () |
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| 144 | "Return t if Maven version is 3.0.3 or greater." |
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| 145 | (let* ((version (mvn-version)) |
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| 146 | (major (first version)) |
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| 147 | (minor (second version)) |
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| 148 | (patch (third version))) |
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| 149 | (values |
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| 150 | (or |
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| 151 | (and (>= major 3) |
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| 152 | (>= minor 1)) |
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| 153 | (and (>= major 3) |
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| 154 | (>= minor 0) |
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| 155 | (>= patch 3))) |
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| 156 | (list major minor patch)))) |
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| 157 | |
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| 158 | (defparameter *init* nil) |
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| 159 | |
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| 160 | (defun init (&optional &key (force nil)) |
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| 161 | "Run the initialization strategy to bootstrap a Maven dependency node." |
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| 162 | (unless (or force *mvn-libs-directory*) |
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| 163 | (setf *mvn-libs-directory* (find-mvn-libs))) |
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| 164 | (unless (and *mvn-libs-directory* |
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| 165 | (probe-file *mvn-libs-directory*)) |
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| 166 | (error "Please obtain and install maven-3.0.4 locally from http://maven.apache.org/download.html, then set ABCL-ASDF:*MVN-DIRECTORY* appropiately.")) |
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| 167 | (unless (ensure-mvn-version) |
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| 168 | (error "We need maven-3.0.3 or later.")) (add-directory-jars-to-class-path *mvn-libs-directory* nil) |
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| 169 | (setf *init* t)) |
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| 170 | |
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| 171 | (defun find-http-wagon () |
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| 172 | "Find an implementation of the object that provides access to http and https resources. |
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| 173 | |
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| 174 | Supposedly configurable with the java.net.protocols (c.f. reference |
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| 175 | maso2000 in the Manual.)" |
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| 176 | (handler-case |
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| 177 | ;; maven-3.0.4 |
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| 178 | (java:jnew "org.apache.maven.wagon.providers.http.HttpWagon") |
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| 179 | (error () |
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| 180 | ;; maven-3.0.3 reported as not working with all needed functionality |
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| 181 | (java:jnew "org.apache.maven.wagon.providers.http.LightweightHttpWagon")))) |
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| 182 | |
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| 183 | (defun make-wagon-provider () |
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| 184 | "Returns an implementation of the org.sonatype.aether.connector.wagon.WagonProvider contract. |
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| 185 | |
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| 186 | The implementation is specified as Lisp closures. Currently, it only |
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| 187 | specializes the lookup() method if passed an 'http' role hint." |
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| 188 | (unless *init* (init)) |
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| 189 | (java:jinterface-implementation |
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| 190 | "org.sonatype.aether.connector.wagon.WagonProvider" |
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| 191 | "lookup" |
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| 192 | (lambda (role-hint) |
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| 193 | (cond |
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| 194 | ((find role-hint '("http" "https") :test #'string-equal) |
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| 195 | (find-http-wagon)) |
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| 196 | (t |
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| 197 | (progn |
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| 198 | (format *maven-verbose* |
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| 199 | "~&WagonProvider stub passed '~A' as a hint it couldn't satisfy.~%" role-hint) |
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| 200 | java:+null+)))) |
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| 201 | "release" |
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| 202 | (lambda (wagon) |
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| 203 | (declare (ignore wagon))))) |
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| 204 | |
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| 205 | (defun find-service-locator () |
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| 206 | (handler-case |
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| 207 | (java:jnew "org.apache.maven.repository.internal.MavenServiceLocator") ;; maven-3.0.4 |
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| 208 | (error () |
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| 209 | (java:jnew "org.apache.maven.repository.internal.DefaultServiceLocator")))) |
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| 210 | |
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| 211 | (defun make-repository-system () |
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| 212 | (unless *init* (init)) |
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| 213 | (let ((locator |
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| 214 | (find-service-locator)) |
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| 215 | (wagon-provider-class |
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| 216 | (java:jclass "org.sonatype.aether.connector.wagon.WagonProvider")) |
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| 217 | (wagon-repository-connector-factory-class |
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| 218 | (java:jclass "org.sonatype.aether.connector.wagon.WagonRepositoryConnectorFactory")) |
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| 219 | (repository-connector-factory-class |
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| 220 | (java:jclass "org.sonatype.aether.spi.connector.RepositoryConnectorFactory")) |
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| 221 | (repository-system-class |
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| 222 | (java:jclass "org.sonatype.aether.RepositorySystem"))) |
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| 223 | (#"setServices" locator |
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| 224 | wagon-provider-class |
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| 225 | (java:jarray-from-list |
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| 226 | (list (make-wagon-provider)))) |
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| 227 | (#"addService" locator |
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| 228 | repository-connector-factory-class |
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| 229 | wagon-repository-connector-factory-class) |
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| 230 | (values (#"getService" locator |
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| 231 | repository-system-class) |
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| 232 | locator))) |
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| 233 | |
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| 234 | (defun make-session (repository-system) |
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| 235 | "Construct a new org.sonatype.aether.RepositorySystemSession from REPOSITORY-SYSTEM" |
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| 236 | (let ((session |
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| 237 | (java:jnew (jss:find-java-class "MavenRepositorySystemSession"))) |
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| 238 | (local-repository |
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| 239 | (java:jnew (jss:find-java-class "LocalRepository") |
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| 240 | (namestring (merge-pathnames ".m2/repository/" |
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| 241 | (user-homedir-pathname)))))) |
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| 242 | (#"setLocalRepositoryManager" |
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| 243 | session |
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| 244 | (#"newLocalRepositoryManager" repository-system |
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| 245 | local-repository)))) |
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| 246 | |
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| 247 | (defparameter *maven-http-proxy* nil |
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| 248 | "A string containing the URI of an http proxy for Maven to use.") |
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| 249 | |
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| 250 | (defun make-proxy () |
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| 251 | "Return an org.sonatype.aether.repository.Proxy instance initialized from *MAVEN-HTTP-PROXY*." |
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| 252 | (unless *maven-http-proxy* |
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| 253 | (warn "No proxy specified in *MAVEN-HTTP-PROXY*") |
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| 254 | (return-from make-proxy nil)) |
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| 255 | (let* ((p (pathname *maven-http-proxy*)) |
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| 256 | (scheme (sys::url-pathname-scheme p)) |
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| 257 | (authority (sys::url-pathname-authority p)) |
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| 258 | (host (if (search ":" authority) |
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| 259 | (subseq authority 0 (search ":" authority)) |
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| 260 | authority)) |
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| 261 | (port (when (search ":" authority) |
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| 262 | (parse-integer (subseq authority (1+ (search ":" authority)))))) |
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| 263 | ;; TODO allow specification of authentication |
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| 264 | (authentication java:+null+)) |
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| 265 | (jss:new 'org.sonatype.aether.repository.Proxy |
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| 266 | scheme host port authentication))) |
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| 267 | |
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| 268 | (defparameter *repository-system* nil |
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| 269 | "The org.sonatype.aether.RepositorySystem used by the Maeven Aether connector.") |
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| 270 | (defun ensure-repository-system (&key (force nil)) |
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| 271 | (when (or force (not *repository-system*)) |
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| 272 | (setf *repository-system* (make-repository-system))) |
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| 273 | *repository-system*) |
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| 274 | |
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| 275 | (defparameter *session* nil |
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| 276 | "Reference to the Maven RepositorySystemSession") |
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| 277 | (defun ensure-session (&key (force nil)) |
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| 278 | "Ensure that the RepositorySystemSession has been created. |
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| 279 | |
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| 280 | If *MAVEN-HTTP-PROXY* is non-nil, parse its value as the http proxy." |
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| 281 | (when (or force (not *session*)) |
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| 282 | (ensure-repository-system :force force) |
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| 283 | (setf *session* (make-session *repository-system*)) |
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| 284 | (#"setRepositoryListener" *session* (make-repository-listener)) |
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| 285 | (when *maven-http-proxy* |
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| 286 | (let ((proxy (make-proxy))) |
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| 287 | (#"add" (#"getProxySelector" *session*) |
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| 288 | proxy |
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| 289 | ;; A string specifying non proxy hosts, or null |
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| 290 | java:+null+)))) |
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| 291 | *session*) |
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| 292 | |
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| 293 | ;;; TODO change this to work on artifact strings like log4j:log4j:jar:1.2.16 |
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| 294 | (defun resolve-artifact (group-id artifact-id &optional (version "LATEST" versionp)) |
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| 295 | "Resolve artifact to location on the local filesystem. |
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| 296 | |
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| 297 | Declared dependencies are not attempted to be located. |
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| 298 | |
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| 299 | If unspecified, the string \"LATEST\" will be used for the VERSION. |
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| 300 | |
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| 301 | Returns the Maven specific string for the artifact " |
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| 302 | (unless versionp |
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| 303 | (warn "Using LATEST for unspecified version.")) |
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| 304 | (unless *init* (init)) |
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| 305 | (let* ((artifact-string (format nil "~A:~A:~A" group-id artifact-id version)) |
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| 306 | (artifact |
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| 307 | (jss:new "org.sonatype.aether.util.artifact.DefaultArtifact" artifact-string)) |
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| 308 | (artifact-request |
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| 309 | (java:jnew "org.sonatype.aether.resolution.ArtifactRequest"))) |
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| 310 | (#"setArtifact" artifact-request artifact) |
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| 311 | (#"addRepository" artifact-request (ensure-remote-repository)) |
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| 312 | (#"toString" (#"getFile" |
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| 313 | (#"getArtifact" (#"resolveArtifact" (ensure-repository-system) |
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| 314 | (ensure-session) artifact-request)))))) |
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| 315 | |
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| 316 | (defun make-remote-repository (id type url) |
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| 317 | (jss:new 'aether.repository.RemoteRepository id type url)) |
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| 318 | |
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| 319 | (defparameter *default-repository* |
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| 320 | "http://repo1.maven.org/maven2/") |
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| 321 | |
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| 322 | (defun add-repository (repository) |
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| 323 | (ensure-remote-repository :repository repository)) |
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| 324 | |
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| 325 | (defparameter *maven-remote-repository* nil |
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| 326 | "The remote repository used by the Maven Aether embedder.") |
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| 327 | (defun ensure-remote-repository (&key |
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| 328 | (force nil) |
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| 329 | (repository *default-repository* repository-p)) |
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| 330 | (unless *init* (init)) |
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| 331 | (when (or force |
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| 332 | repository-p |
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| 333 | (not *maven-remote-repository*)) |
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| 334 | (let ((r (make-remote-repository "central" "default" repository))) |
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| 335 | (when *maven-http-proxy* |
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| 336 | (#"setProxy" r (make-proxy))) |
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| 337 | (setf *maven-remote-repository* r))) |
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| 338 | *maven-remote-repository*) |
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| 339 | |
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| 340 | (defun resolve-dependencies (group-id artifact-id |
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| 341 | &optional ;;; XXX Uggh. Move to keywords when we get the moxie. |
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| 342 | (version "LATEST" versionp) |
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| 343 | (repository *maven-remote-repository* repository-p)) |
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| 344 | "Dynamically resolve Maven dependencies for item with GROUP-ID and ARTIFACT-ID |
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| 345 | optionally with a VERSION and a REPOSITORY. Users of the function are advised |
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| 346 | |
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| 347 | All recursive dependencies will be visited before resolution is successful. |
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| 348 | |
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| 349 | If unspecified, the string \"LATEST\" will be used for the VERSION. |
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| 350 | |
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| 351 | Returns a string containing the necessary jvm classpath entries packed |
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| 352 | in Java CLASSPATH representation." |
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| 353 | (unless *init* (init)) |
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| 354 | (unless versionp |
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| 355 | (warn "Using LATEST for unspecified version.")) |
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| 356 | (let* ((artifact |
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| 357 | (java:jnew (jss:find-java-class "aether.util.artifact.DefaultArtifact") |
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| 358 | (format nil "~A:~A:~A" |
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| 359 | group-id artifact-id version))) |
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| 360 | (dependency |
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| 361 | (java:jnew (jss:find-java-class "aether.graph.Dependency") |
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| 362 | artifact (java:jfield (jss:find-java-class "JavaScopes") "RUNTIME"))) |
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| 363 | (collect-request (java:jnew (jss:find-java-class "CollectRequest")))) |
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| 364 | (#"setRoot" collect-request dependency) |
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| 365 | (#"addRepository" collect-request |
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| 366 | (if repository-p |
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| 367 | (ensure-remote-repository :repository repository) |
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| 368 | (ensure-remote-repository))) |
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| 369 | (let* ((node |
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| 370 | (#"getRoot" (#"collectDependencies" (ensure-repository-system) (ensure-session) collect-request))) |
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| 371 | (dependency-request |
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| 372 | (java:jnew (jss:find-java-class "DependencyRequest") |
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| 373 | node java:+null+)) |
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| 374 | (nlg |
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| 375 | (java:jnew (jss:find-java-class "PreorderNodeListGenerator")))) |
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| 376 | (#"resolveDependencies" (ensure-repository-system) (ensure-session) dependency-request) |
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| 377 | (#"accept" node nlg) |
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| 378 | (#"getClassPath" nlg)))) |
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| 379 | |
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| 380 | (defun make-repository-listener () |
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| 381 | (flet ((log (e) |
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| 382 | (format *maven-verbose* "~&~A~%" (#"toString" e)))) |
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| 383 | (java:jinterface-implementation |
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| 384 | "org.sonatype.aether.RepositoryListener" |
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| 385 | "artifactDeployed" |
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| 386 | #'log |
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| 387 | "artifactDeploying" |
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| 388 | #'log |
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| 389 | "artifactDescriptorInvalid" |
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| 390 | #'log |
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| 391 | "artifactDescriptorMissing" |
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| 392 | #'log |
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| 393 | "artifactDownloaded" |
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| 394 | #'log |
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| 395 | "artifactDownloading" |
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| 396 | #'log |
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| 397 | "artifactInstalled" |
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| 398 | #'log |
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| 399 | "artifactInstalling" |
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| 400 | #'log |
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| 401 | "artifactResolved" |
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| 402 | #'log |
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| 403 | "artifactResolving" |
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| 404 | #'log |
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| 405 | "metadataDeployed" |
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| 406 | #'log |
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| 407 | "metadataDeploying" |
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| 408 | #'log |
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| 409 | "metadataDownloaded" |
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| 410 | #'log |
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| 411 | "metadataDownloading" |
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| 412 | #'log |
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| 413 | "metadataInstalled" |
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| 414 | #'log |
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| 415 | "metadataInstalling" |
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| 416 | #'log |
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| 417 | "metadataInvalid" |
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| 418 | #'log |
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| 419 | "metadataResolved" |
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| 420 | #'log |
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| 421 | "metadataResolving" |
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| 422 | #'log))) |
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| 423 | |
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| 424 | |
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| 425 | (defmethod resolve ((string string)) |
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| 426 | "Resolve a colon separated GROUP-ID:ARTIFACT-ID[:VERSION] reference to a Maven artifact. |
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| 427 | |
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| 428 | Examples of artifact references: \"log4j:log4j:1.2.14\" for |
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| 429 | 'log4j-1.2.14.jar'. Resolving \"log4j:log4j\" would return the latest |
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| 430 | version of the artifact known to the distributed Maven pom.xml graph. |
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| 431 | |
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| 432 | Returns a string containing the necessary classpath entries for this |
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| 433 | artifact and all of its transitive dependencies." |
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| 434 | (let ((result (split-string string ":"))) |
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| 435 | (cond |
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| 436 | ((= (length result) 3) |
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| 437 | (resolve-dependencies |
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| 438 | (first result) (second result) (third result))) |
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| 439 | ((string= string "com.sun.jna:jna") |
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| 440 | (warn "Replacing request for no longer available com.sun.jna:jna with net.java.dev.jna:jna") |
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| 441 | (resolve-dependencies "net.java.dev.jna" "jna" "LATEST")) |
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| 442 | (t |
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| 443 | (apply #'resolve-dependencies result))))) |
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| 444 | |
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| 445 | ;;; Currently the last file listed in ASDF |
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| 446 | (provide 'abcl-asdf) |
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